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Feature/trace propagation (#96)

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* add b3 header for trace propagation on initial webhook

* logging

* add tracing context to all webhooks

* Add span parameter to Task.getTracingPropagation. Pass proper span to getTracingPropagation calls in Task methods to propagate the proper spanId (#91)

* some tracing cleanup

* bugfix: azure stt results need to be ordered by confidence level before processing (#92)

* fix assertion

* bugfix: vad was not enabled on config verb, restart STT on empty transcript in gather

* gather: dont send webhook if call is gone

* rest outdial: handle 302 redirect so we can later cancel request if needed (#95)

* gather: restart if we get an empty transcript (looking at you, Azure)

Co-authored-by: javibookline <98887695+javibookline@users.noreply.github.com>
This commit is contained in:
Dave Horton
2022-04-01 14:48:27 -04:00
committed by GitHub
parent ff8d7f3648
commit a950f9f738
18 changed files with 128 additions and 36 deletions
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9
lib/tasks/dial.js
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@@ -271,6 +271,9 @@ class TaskDial extends Task {
const referring_call_sid = isChild ? callInfo.callSid : cs.callSid;
const referred_call_sid = isChild ? callInfo.parentCallSid : this.sd.callSid;
const b3 = this.getTracingPropagation();
const httpHeaders = b3 && {b3};
const to = parseUri(req.getParsedHeader('Refer-To').uri);
const by = parseUri(req.getParsedHeader('Referred-By').uri);
this.logger.info({to}, 'refer to parsed');
@@ -285,7 +288,7 @@ class TaskDial extends Task {
referring_call_sid,
referred_call_sid
}
});
}, httpHeaders);
res.send(202);
this.logger.info('DialTask:handleRefer - sent 202 Accepted');
} catch (err) {
@@ -345,8 +348,10 @@ class TaskDial extends Task {
const key = arr[1];
const match = dtmfDetector.keyPress(key);
if (match) {
const b3 = this.getTracingPropagation();
const httpHeaders = b3 && {b3};
this.logger.info({callSid}, `Dial:_onInfo triggered dtmf match: ${match}`);
requestor.request('verb:hook', this.dtmfHook, {dtmf: match, ...callInfo.toJSON()})
requestor.request('verb:hook', this.dtmfHook, {dtmf: match, ...callInfo.toJSON(), httpHeaders})
.catch((err) => this.logger.info(err, 'Dial:_onDtmf - error'));
}
}